Properties of the Number 64156

Sixty-Four Thousand One Hundred Fifty-Six

Basics

Value: 64155 → 64156 → 64157

Parity: even

Prime: No

Previous Prime: 64153

Next Prime: 64157

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 43 × 373

Divisors: 1, 2, 4, 43, 86, 172, 373, 746, 1492, 16039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101010011100

Octal: 175234

Duodecimal: 31164

Hexadecimal: fa9c

Square: 4115992336

Square Root: 253.2903472302093

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -2,-2 -1,0 0,1 or 1,0. A264534

Expansion of (1+x) / (1-x-4·x²+2·x³). A384605

Number of (4+1) X (n+1) arrays of permutations of 0..n·5+4 with each element having directed index change -2,-2 -1,0 0,1 or 1,0. A264537

Number of plane partitions of n with 6 parts. A391705

Smallest prime with n decimal digits such that the product of its digits equals n times the sum of its digits, or 0 if no such prime exists. A64156